JP2014524864A5

JP2014524864A5 -

Info

Publication number: JP2014524864A5
Application number: JP2014517938A
Authority: JP
Filing date: 2012-06-29
Publication date: 2015-08-20
Anticipated expiration: 2032-06-29

Claims

A chassis, two surface-engaged front wheels, at least one surface-engaged rear wheel, and a propulsion device that drives the front wheel or one or more of the rear wheels, each front wheel and / or Or each rear wheel is arranged to tilt with the chassis in use, and each front wheel is connected to the chassis by a front wheel support assembly, and the front wheel support assembly is connected to each front wheel A vehicle with hydraulic cylinders associated with the wheels, each hydraulic cylinder,
A housing connected to one of the chassis and the front wheel support assembly;
A piston connected to the other of the front wheel support assembly and the chassis, is movable within the housing, and is arranged to divide the hydraulic cylinder into a first chamber and a second chamber. Each comprising a piston having a respective port arranged to allow hydraulic fluid to enter and exit the respective chamber;
The port of the first chamber of each hydraulic cylinder is in fluid communication and the port of the second chamber of each hydraulic cylinder is in fluid communication, the first chamber of one hydraulic cylinder or the Movement of hydraulic fluid from the second chamber to the first chamber or the second chamber of each of the other hydraulic cylinders causes the pistons of the hydraulic cylinders to be displaced in opposite directions with respect to the respective housings. The vehicle is allowed to tilt ,
The chassis further comprises a central member movable therewith;
The front wheel assembly includes an upper support member that is pivotally connected independently to the central member and each wheel hub, and is independently pivotable to the central member and each wheel hub. A lower support member connected,
Each upper support member and / or each lower support member comprises a single member extending between the wheel hub.
vehicle.

The vehicle of claim 1 , wherein each upper support member and / or each lower support member comprises a wishbone configuration.

A steering device is provided that allows a user to steer the vehicle, the steering device being connected to the wheel hub by one or more pairs of linkage arms or a hydraulic connection , wherein the steering device comprises the front wheel is Ru selectively separable der so freely horizontally turning, the vehicle according to claim 1 or 2.

The vehicle according to any one of claims 1 to 3 , wherein at least one hydraulic cylinder further comprises elastic means arranged to bias the vehicle towards the upright position.

The vehicle according to claim 4 , wherein the elastic means includes a coil spring.

Connected to said chassis further comprises a body defining a fully enclosed interior space of the vehicle arranged to accommodate a driver, the vehicle according to any one of claims 1 to 5.

The vehicle according to any one of claims 1 to 6 , wherein the front wheel support assembly includes a pump device that feeds hydraulic fluid between hydraulic cylinders.

A suspension hub assembly connected to each front wheel, pivotally connected to the front wheel support assembly and configured to pivot relative thereto, the suspension hub assembly comprising: ,
A first hub member pivotally connected to the front wheel support assembly;
A second hub member operable to receive the surface engaging front wheel rotatable about an axis, slidably connected to the first hub member, the surface engaging wheel The second hub member being linearly movable relative to the first hub member along a suspension axis substantially perpendicular to the rotation axis of the second hub member;
And a second hub member damper device a linear movement which is arranged to damp the relative to the first hub member along said suspension axis, one of the Claims 1 to 7 The vehicle according to one item.

The vehicle of claim 8 , wherein the suspension shaft is disposed at an angle in a range of -10 to 25 degrees from a vertical direction of the vehicle when the chassis is in an upright position.

The vehicle of claim 9 , wherein the suspension shaft is disposed at an angle in a range of −10 to 25 degrees from the vertical direction with respect to a longitudinal axis of the vehicle.

The suspension axis, offset longitudinally from the axis of rotation of said surface engaging wheels, you located ahead of the rotational axis of the face engaging wheels, according to any one of claims 8 to 10 Vehicle.

The second hub member is rotatable relative to the first hub member about a steering axis substantially perpendicular to the rotation axis of the surface engagement wheel for steering the surface engagement wheel. The vehicle according to any one of claims 8 to 11, wherein:

The suspension hub assembly includes a sliding pillar suspension device, and the second hub member is slidable on the first hub member around a pillar forming portion of the first hub member. The vehicle according to any one of claims 8 to 12 , wherein the vehicle is connected.

The vehicle according to claim 13 , wherein the damper device is installed in the pillar.

The vehicle according to claim 14 , wherein the second hub member is rotatable about a longitudinal axis of the pillar such that the steering shaft coincides with the suspension shaft.